Head to head
Kevin Hays vs Seung Hyuk Nahm (남승혁)
Two careers, 81 shared rounds, one running count. Everything below comes from the official results the two of them posted in the same rounds of the same competitions.
Kevin Hays (United States) and Seung Hyuk Nahm (남승혁) (Republic of Korea) have met in 81 rounds across 7 competitions since 2016. Counting every round where both finished with a result, Seung Hyuk Nahm (남승혁) leads Kevin Hays: 68 finishes in front to 13.
On personal bests the split is just as plain: across 13 shared events, Seung Hyuk Nahm (남승혁) holds the faster single in 13, Kevin Hays in 0.
Personal bests, side by side
faster single in bold| Event | Kevin Hays single | average | Seung Hyuk Nahm (남승혁) single | average |
|---|---|---|---|---|
| 3×3 | 5.89 | 7.68 | 4.17 | 5.30 |
| 2×2 | 1.29 | 2.87 | 1.18 | 1.67 |
| 4×4 | 21.73 | 26.97 | 17.05 | 20.74 |
| 5×5 | 40.68 | 47.11 | 33.10 | 36.31 |
| 6×6 | 1:09.17 | 1:16.73 | 1:00.40 | 1:06.46 |
| 7×7 | 1:49.62 | 1:56.03 | 1:35.31 | 1:40.67 |
| 3×3 blindfolded | 2:43.34 | — | 39.15 | 48.20 |
| 3×3 one-handed | 12.83 | 16.68 | 6.73 | 9.70 |
| Clock | 23.03 | 33.57 | 8.97 | 9.80 |
| Megaminx | 1:14.75 | 1:23.30 | 33.76 | 38.30 |
| Pyraminx | 6.72 | 10.46 | 3.94 | 6.37 |
| Skewb | 7.44 | 8.40 | 2.40 | 5.42 |
| Square-1 | 38.16 | 52.72 | 16.73 | 19.82 |
Year by year
every meeting, 81 rounds in allRecent meetings
newest first · averages where the round ranked on one, singles otherwise| Year | Competition | Event | Round | Kevin Hays | Seung Hyuk Nahm (남승혁) | ahead |
|---|---|---|---|---|---|---|
| 2025 | Rubik's WCA World Championship 2025 | 3×3 | First round | 9.11 | 7.28 | Seung Hyuk Nahm (남승혁) |
| 2025 | Rubik's WCA World Championship 2025 | 4×4 | First round | 30.30 | 23.81 | Seung Hyuk Nahm (남승혁) |
| 2025 | Rubik's WCA World Championship 2025 | 5×5 | First round | 50.37 | 42.21 | Seung Hyuk Nahm (남승혁) |
| 2025 | Rubik's WCA World Championship 2025 | 5×5 | Second round | 47.14 | 41.70 | Seung Hyuk Nahm (남승혁) |
| 2025 | Rubik's WCA World Championship 2025 | 6×6 | Second round | 1:27.99 | 1:15.89 | Seung Hyuk Nahm (남승혁) |
| 2025 | Rubik's WCA World Championship 2025 | 6×6 | First round | 1:24.39 | 1:19.89 | Seung Hyuk Nahm (남승혁) |
| 2025 | Rubik's WCA World Championship 2025 | 7×7 | First round | 2:12.78 | 1:53.23 | Seung Hyuk Nahm (남승혁) |
| 2025 | Rubik's WCA World Championship 2025 | 7×7 | Final | 2:00.34 | 1:55.09 | Seung Hyuk Nahm (남승혁) |
| 2025 | Rubik's WCA World Championship 2025 | 7×7 | Second round | 2:07.32 | 1:48.61 | Seung Hyuk Nahm (남승혁) |
| 2024 | Rubik's WCA North American Championship 2024 | 3×3 | First round | 8.63 | 6.54 | Seung Hyuk Nahm (남승혁) |
| 2024 | Rubik's WCA North American Championship 2024 | 3×3 | Second round | 9.40 | 6.55 | Seung Hyuk Nahm (남승혁) |
| 2024 | Rubik's WCA North American Championship 2024 | 4×4 | Second round | 29.21 | 24.02 | Seung Hyuk Nahm (남승혁) |
| 2024 | Rubik's WCA North American Championship 2024 | 4×4 | First round | 28.60 | 24.98 | Seung Hyuk Nahm (남승혁) |
| 2024 | Rubik's WCA North American Championship 2024 | 5×5 | Second round | 49.19 | 38.84 | Seung Hyuk Nahm (남승혁) |
Full careers: Kevin Hays · Seung Hyuk Nahm (남승혁). A meeting is a round of one event at one competition where both finished with a counted result. Who finished ahead follows official placing in the round: rounds played to an average are won on the average, best-of rounds on the single.